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Elastic neutron scattering at 96 MeV from 12C and 208Pb
journal contributionposted on 2023-05-16, 20:02 authored by Klug, J, Blomgren, J, Atac, A, Bergenwall, B, Hildebrand, A, Johansson, C, Mermod, P, Nilsson, L, Pomp, S, Tippwan, U, Elmgren, K, Olsson, N, Jonsson, O, Prokofiev, AV, Renberg, PU, Nadel-Turonski, P, Dangtip, S, Phansuke, P, Osterlund, M, Le Brun, C, Lecolly, JF, Louvel, M, Marie-Noury, N, Schweitzer, C, Eudes, PH, Hadded, F, Lebrun, C, Bauge, E, Delaroche, JP, Girod, M, Ledoux, X, Romain, P, Koning, AJ, Amos, K, Deb, PK, Karataglidis, S, Crespo, R, Moro, A, Madland, DG
A facility for detection of scattered neutrons in the energy interval 50-130 MeV, SCANDAL, has recently been installed at the 20-180 MeV neutron beam line of the The Svedberg Laboratory, Uppsala. Elastic neutron scattering from 12C and 208Pb has been studied at 96 MeV in the 10Â°-70Â° interval. The achieved energy resolution, 3.7 MeV, is about an order of magnitude better than for any previous experiment above 65 MeV incident energy. The present experiment represents the highest neutron energy where the ground state has been resolved from the first excited state in neutron scattering. A novel method for normalization of the absolute scale of the cross section has been used. The estimated normalization uncertainty, 3%, is unprecedented for a neutron-induced differential cross section measurement on a nuclear target. The results are compared with modern optical model predictions based on phenomenology or microscopic nuclear theory.
Publication titlePhysical Review C
Department/SchoolSchool of Health Sciences
PublisherAmerican Physical Society
Place of publicationUSA